AC Spark Plugs

Spark Plug, RN12YC, Copper Plus, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-404

4.94 out of 5 stars ( 17 )

Estimated Ship Date: Monday 4/6/2026 if shipped by air

• $25 Summit Bucks

Spark Plug, RF11YC, Copper Plus, 18mm Thread, .460 in. Reach, Resistor, Ford, Mercury, Each

Part Number: CPN-22

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/6/2026 if shipped by air

• $25 Summit Bucks

Spark Plug, N12YC, Copper Plus, 14mm Thread, .750 in. Reach, Projected Tip, Non-Resistor, Each

Part Number: CPN-38

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/6/2026 if shipped by air

• $25 Summit Bucks

Spark Plug, Copper Plus, Gasket Seat, 14mm Thread, .500 in. Reach, Each

Part Number: CPN-306

Not Yet Reviewed

Estimated Ship Date: Monday 4/6/2026 if shipped by air

• $25 Summit Bucks